Biology:Mytilopsis leucophaeata

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Short description: Species of bivalve


Mytilopsis leucophaeata
Mytilopsis leucophaeata.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Myida
Superfamily: Dreissenoidea
Family: Dreissenidae
Genus: Mytilopsis
Species:
M. leucophaeata
Binomial name
Mytilopsis leucophaeata
(Conrad, 1831)
Synonyms[2]

Mytilus leucophaeatus Conrad, 1831

Mytilopsis leucophaeata is a species of small bivalve mollusc in the false mussel family, Dreissenidae. It is commonly known as Conrad's false mussel or the dark false mussel.

Identification

It can look very similar to the zebra mussel, with similar stripes, but it can be distinguished from it by an apophysis or projection on the inside of the shell near the umbo.[3] Shell length ranges between <1 and 2 cm, with an average length of 1 cm.[4]

Distribution

This species is native in the Gulf of Mexico,[5] and spread from there via ballast water, or attached to oysters that were moved, to the Hudson River in the 1930s,[6][7] and from there to other estuaries in the eastern US including Chesapeake Bay[8] as well as to the Pernambuco coast in northeastern Brazil.[9] This species also spread via ballast water to brackish waters in Europe, including the Baltic Sea, the North Sea, the Atlantic Ocean and the Mediterranean Sea as well as the Black Sea[7][10] and the Caspian Sea.[10]

Like the zebra mussel, this species is a significant biofouling pest in many countries, especially where it has been introduced in Europe.

Habitat

Mytilopsis leucophaeata is found in brackish water, at salinities ranging from 0.5 psu to about 12 psu, although its upper salinity limit is usually about 5–6 psu. It attaches to hard substrates, including oyster and true mussel shells and cages for them, rocks, boats, and pilings, and also to ropes.[11]

References

  1. Cummings, K. (2011). "Mytilopsis leucophaeata". IUCN Red List of Threatened Species 2011: e.T155623A4809971. doi:10.2305/IUCN.UK.2011-2.RLTS.T155623A4809971.en. https://www.iucnredlist.org/species/155623/4809971. Retrieved 8 November 2021. 
  2. "Mytilopsis leucophaeata (Conrad, 1831)". MolluscaBase. World Register of Marine Species. 2021. http://www.marinespecies.org/aphia.php?p=taxdetails&id=156887. 
  3. "Mytilopsis leucophaeata". Främmande arter i svenska hav (Alien species in Swedish seas). Informationscentralerna för Bottniska viken, Egentliga Östersjön och Västerhavet. http://www.frammandearter.se/0/2english/pdf/Mytilopsis_leucophaeata.pdf. 
  4. "Mytilopsis leucophaeata — the False Dark Mussel". ZMIS information on zebra mussels. Zebra Mussel Research Program, US Army Corps of Engineers. http://el.erdc.usace.army.mil/zebra/zmis/zmishelp4/mytilopsis_leucophaeata_the_false_dark_mussel.htm. 
  5. "Molecular resolution of the family Dreissenidae (Mollusca: Bivalvia) with emphasis on Ponto-Caspian species, including first report of Mytilopsis leucophaeata in the Black Sea basin". Molecular Phylogenetics and Evolution 30 (3): 479–489. March 2004. doi:10.1016/S1055-7903(03)00240-9. PMID 15012933.  as PDF
  6. Walton, W. C. (1996). "Occurrence of zebra mussel (Dreissena polymorpha) in the oligohaline Hudson River, New York". Estuaries 19 (3): 612–618. doi:10.2307/1352521. 
  7. 7.0 7.1 Kennedy, V. (2010). "The invasive dark falsemussel Mytilopsis leucophaeata (Bivalvia: Dreissenidae): a literature review". Aquatic Ecology 45 (2): 163–183. doi:10.1007/s10452-010-9344-6. 
  8. Occurrence of this species in Chesapeake Bay and their role in filtration "Oyster Reefs". National Oceanic and Atmospheric Administration's (NOAA) Chesapeake Bay Office. http://chesapeakebay.noaa.gov/oysters/oyster-reefs. 
  9. De Souza, J.R.B.; Rocha, C.M.C. (2005). "Occurrence of exotic bivalve Mytilopsis leucophaeta (Conrad) (Mollusca, Bivalvia), in Brazil" (in pt). Revista Brasileira de Zoologia 22 (4): 1204–1206. doi:10.1590/S0101-81752005000400057. 
  10. 10.0 10.1 Heiler, K. C. M.; Nahavandi, N.; Albrecht, C. (2010). "A new invasion into an ancient lake — The invasion history of the dreissenid mussel Mytilopsis leucophaeata (Conrad, 1831) and its first record in the Caspian Sea". Malacologia 53: 185–192. doi:10.4002/040.053.0112. 
  11. "Mytilopsis leucophaeata (mollusc)". Global Invasive Species Database. Invasive Species Specialist Group (ISSG). http://www.issg.org/database/species/ecology.asp?fr=1&si=707&sts. 

External links

Wikidata ☰ Q3018801 entry